Radiator structure



2 Sheets-Sheet 1 /2a /Zb I2C F. B. HEWEL RADIATOR STRUCTURE Filed July18, 1935 INVENTOR ATTORNEY dccbba MMM Ffa/7MB Hen/@ v V WV A; )Wi

E M m m Oct. l0, 1939. F. B. HEwEL l l RADIATOR STRUCTURE Filed July 18,1936 2 Sheets-Sheet 2 THHHHHHHM r L I MMM WMV@

INVENTOR Hum/ Hel/Vd.

/ruaw d? 'WITNESS ATTORNEY Patented Oct. 10, 1939 UNITED STATES PATENTOFFICE 4 Claims.

My invention relates to Ventilating and cooling structures andparticularly to radiator structures for automobiles and the like.

Olne object of my invention is to provide a 5 simple and inexpensive butparticularly effective radiator structure,

Another object of my invention is to provide a structure of thischaracter in which a number of upwardly-extending hollow portions arespaced in pairs by Ventilating portions having protruding parts inclinedat an angle to the horizontal, all of the portions being preferablyintegral or made from a single piece of sheet metal.

A further object of my invention is to provide a radiatorV structurehaving a number oi tubular portions and an intermediate portion havingstruck-up parts for directing a stream of fluid between the past saidtubular portions.

Another object of my invention is to provide a structure of thecharacter just set forth, including a number of members relativelystaggered in position in order to dispose a tubular portion insubstantial alinement with a Ventilating portion, thereby providing aparticularly effective radiator structure for automobiles and the like.

Another object of my invention is to provide a radiator structure havinga number of substantially tear-drop-shaped water-conveying portions andan intermediate Ventilating portion having struck-up parts, whereby anespecially eii'lcient cooling and Ventilating structure is provided.

Other objects of my invention will become evident from the followingdetailed description, taken in conjunction with the accompanyingdrawings, wherein:

Figure l is a partial View in front elevation of an automobile radiatorconstructed in accordance with my present invention;

, Fig. 2 is a partial View in horizontal section taken along the lineII-II of Fig. l;

Fig. 3 is a Vertical section taken alongthe broken line III- UI oi Fig.2;

Fig. 4 is an enlarged plan view, with parts broken away, of a portion ofthe radiator structure shown in Fig. 1;

Fig. 5 is an enlarged View corresponding to a part of the structureshown in Fig. 2;

Fig. 6 is a View showing my radiator structure after undergoing anintermediate manufacturing 5o process; and.

Fig. '7 is a top plan view of a modiiied form of the structure shown inFig. 2.

Referring to the drawings, the structure here shown comprises anautomobile radiator I, for

example, having the usual upper and lower chambers or manifolds 2 and 3,which may be of any desired or suitable form and which are joined by thefamiliar or any suitable framework 4, a plurality of Ventilating andcooling members constructed in accordance with my present in- 5 Ventioncomprising hollow or tubular Water-conveying portions 5 and aperturedVentilating portions 6 included in the area between the upper and lowerwater chambers 2 and 3 and the frame 4, as is customary. l0

The cooling and Ventilating structure shown in Fig. l is shown inhorizontal cross section in Fig.

2 as comprising four members, althoughy any number from one up may beemployed, depending upon the desired cooling and Ventilating ca- 15pacity of the completed radiator. The front member of the row ofVentilating and cooling members is shown near the bottom of Fig. 2 andat the left of Fig. 3 and comprises a base member Illa from which isformed a plurality of spaced hol- 20 low or tubular water-conveyingportions Ila., preferably tear-dropor pear-shaped, with an aperturedVentilating portion between each pair of tubular portions comprising aplurality of hollow triangular struck-up parts 12a, the apices of 25which may be connected together by means of a suitable thin angle memberMa or by a wire soldered thereto or, if desired, such connecting membermay be omitted. In Fig. 2, the illustrated top struck-up part |2a isshown as pro- 30 vided with a triangular opening I3a, whereas the otherstruck-up parts are of similar hollow triangular. shape, as will benoted from Fig. 6, which shows the struck-up parts l2a when the stampingmachine has cut them out of the sheet of 35 metal but before they havebeen bent into the iinal plane and the apex-connecting member, such asMa, applied.

It will be noted that each of the members shown in Fig. 2, respectivelycarrying notations 40 such as Illa, lllb, IDC, and Id for the baseportions, Ila, Hb, llc, and Ild for the tubular portions, etc., is shownas formed from a single piece of sheet metal. While this is thepreferred form, my invention is not necessarily limited thereto. 45

It will be further noted that eicient use is made of the material inthat the tubular portions are pearor tear-drop-shaped, so that the airflowing thro-ugh the radiator structure will cover the complete tubewith no dead spots or low 5o pressure spots in the air stream. Inaddition, the struck-up parts 12a, |2b, etc., provide relatively largeapertures in the base portions Illa, Ib, etc., to permit air to readilyflow through these ventilating portions, and are triangular in shape,their 55 sides extending substantially parallel to the respectiveconfronting sides of the tubular portions.

It will be further noted that the members shown in Fig. 2 are relativelystaggered, so that the tubular portion Hb of the second member issubstantially in alinement with the struck-up Ventilating portion l2a ofthe first member, etc.

Furthermore, in order to improve the ventilating and cooling effect, thestruck-up parts |2a of the first member are bent downwardly, of thesecond member upwardly, of the third member downwardly, and of thefourth member upwardly, as clearly shown in Fig. 3, whereby a tortuousbut relatively unobstructed path for Ventilating air is provided.

While these struck-up parts l2cn, 12b, etc., thus preferably extend atan acute angle to a plane substantially perpendicular to the axes of thetubular portions, this is not essential, as, if desired, they may extendsubstantially parallel thereto.

As a result of the illustrated arrangement of parts in my radiator, arelatively emcient structure is provided, from the standpoint of coolingof the liquid, by reason of the tear-drop-shaped tubular portions andthe staggered arrangement of parts mentioned above, from the standpointof ventilation for the reason mentioned in the next to the lastparagraph, and from the standpoint of efficient use of the metal byreason of parallelism of adjacent parts and yet relative ruggedness ofthe individual members. It will be appreciated that the assembly of aradiator of any desired capacity is a relatively simple and inexpensiveprocess, inasmuch as the same parts are employed, the relative positionsthereof merely being relatively staggered as mentioned above. Eachmember is made from sheet metal which may be readily produced bysuitable machinery or by hand, and replacement of a damaged section ormembers is a relatively simple and inexpensive matter also.

Referring now to the modified form of my invention shown in Fig. 7, theillustrated structure comprises a base portion 2U, and a plurality oftear-drop-shaped tubular portions 2| spaced by intervening struck-upparts 22 having the top opening 23 and the connecting ridge 24, ifdesired, thus corresponding to the general arrangement of the structureshown in the other figures. However, in order to stiffen the junction ofthe teardrop-shaped portions 2| withthe base portion 20, the parts areformed as follows: A doubled-back portion 25 extends at an oblique angleto the base portion 2U and is then reversed on itself to form the loopof the tubular portion 2|. Another doubled-back portion 26 tightlyengages the inner side of the oblique doubled-back `portion 25 and isbent around the same and then into the plane of the base portion 20. Inthis way again a single piece of sheet metal is employed for the purposeof providing both the Water-conveying tubular portions and theVentilating struck-up portions, the radiating and Water-containingsections, however, being substantially as eiicient as in the case of thestructure shown in the other gures, although, as noted above, thejuncture of the teardrop-shaped portions with the base portion issomewhat stiffer.

It will be seen that I have thus provided a relatively simple andinexpensive radiator structure which may be readily expanded to provideany desired capacity, the parts being so arranged that particularlyeffective cooling and Ventilating is insured.

I do not wish to be restricted to the exact structural details orarrangement of parts herein set forth, as various other modicationsthereof may be effected without departing from the spirit and scope ofmy invention. I desire, therefore, that only such limitations shall beimposed thereon as are indicated in the appended claims.

I claim as my invention:

l. A radiator structure having a row of members, each member comprisinga base portion, a plurality of tubular portions disposed thereon and anintermediate portion having parts struck-up from said base portion, saidmembers being relatively staggered to dispose a tubular portion insubstantial alinement with an intermediate portion.

2. A radiator structure having a row of members, each member comprisinga base portion, a plurality of substantially tear-drop-shaped tubularportions disposed thereon and an intermediate portion having struck-upparts with their edges extending in planes substantially parallel to theplanes of the confronting tear-dropshaped portions, said members beingrelatively staggered to dispose a tear-drop-shaped portion insubstantial alinement with an intermediate portion.

3. A radiator structure comprising a base portion having a plurality ofsubstantially parallel and tear-drop-shaped tubular portions disposedthereon and intermediate portions extending substantially parallel tothe axes of said tubular portions and having substantially triangularapertured struck-up parts with their projecting edges extending inplanes substantially parallel to the planes of the sides of theconfronting tear-dropshaped portions, the apertures in the struck-upparts of any intermediate portion being alined vertically for directinga stream of uid therethrough.

4. A radiator structure having a row of members, each member comprisinga base portion, a plurality of tubular portions disposed thereon and anintermediate portion having parts struck-up from said base portion, saidmembers being relatively staggered to dispose a tubular portion insubstantial alinement with an intermediate portion, said struck-up partsbeing provided with apertures, said apertures being alined verticallyfor directing a stream of fluid therethrough.

FRANK B. HEWEL.

